Former Owner
- John Henry Wrenn1
- John Morgan1
- John Ruskin1
- John Topham1
- John Wright1
- Joseph Whitney1
- Josephine Widener Wichfield1
- Jérôme Pichon1
- Lady Margaret Ayloffe1
- Lathrop Colgate Harper1
- Laurence Kirby1
- Laurent Campagne1
- Legoué1
- Libri, Edoardo, active 20th century1
- Lisa Norris Elkins1
- Louis Bourguet1
- Lydia Thompson Morris1
- Madame Théophile Belin1
- Maksymilian Mielzynski1
- Marchese Porri-Carcani1